Load balancing arm knuckle



FIG. 1 is the perspective view of the load balancing arm knuckle;

FIG. 2 is a front side elevational view;

FIG. 3 is a rear side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a load balancing arm knuckle, as shown and described. 